Warren City Pws, OH
Lead detected, under the action levels
Latest 90th-percentile lead: 3.7 ppb (monitoring period 2025-2025). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
Warren City Pws at a glance
Warren City Pws serves about 49,130 people through 22,807 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Trumbull County, Ohio. EPA system ID: OH7803811; phone on file: 330-841-2710. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is down 2.4 ppb from 6.1 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Warren City Pws is 8.3 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3.7 ppb |
| 2024 | 6.1 ppb |
| 2023 | 8.3 ppb |
| 2022 | 6.2 ppb |
| 2021 | 2.6 ppb |
| 2018 | 4.2 ppb |
Against other Ohio systems
Of the 1,079 Ohio systems with a lead result, the median latest reading is 0.7 ppb; 1 are over 15 ppb right now and 27 have gone over at some point. Warren City Pws's 3.7 ppb sits at the 92nd percentile in Ohio and the 86th nationally (higher means more lead).
Nearby utilities
24 other systems share Trumbull County; 2 of them have a higher latest lead result than Warren City Pws. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Niles City Pws | 21,961 | 1.01 ppb |
| Girard City | 13,263 | 0 (not detected) |
| Trumbull Co. - Southeast Pws | 9,931 | 0 (not detected) |
| Hubbard City Pws | 8,362 | 4.3 ppb |
| Trumbull Co. - Bazetta/Champion | 8,270 | 0 (not detected) |
| Cortland City Pws | 7,105 | 0 (not detected) |
| Trumbull Co. - Howland Twp Pws | 6,396 | 0 (not detected) |
| Newton Falls City | 6,109 | 0 (not detected) |
| Mcdonald Village Pws | 4,236 | 0 (not detected) |
| Aqua Ohio - Masury | 4,019 | 0 (not detected) |
Next steps for Warren, OH
Test your own tap with a certified lab first-draw sample; Warren, OH may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Warren City Pws whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. Why sampled homes are the worst-case ones is in the guide to reading the number. Systems that went over once often dip back under; here is what that means.